Re: 2.5.68: NFS3+exported /mnt/cdrom+eject: system lockup

Bojan Smojver
2003-05-01T22:43:38Z

On Thu, 2003-05-01 at 20:40, Trond Myklebust wrote:
> >>>>> " " == Bojan Smojver <bojan@rexursive.com> writes:
>
> > NFS3 server was running on the box and it was exporting a
> > mounted /mnt/cdrom to the world. On "umount /mnt/cdrom" it
> > reported "device busy". On "eject /mnt/cdrom" it locked the
> > system hard.
>
> > What kind of information would help debugging this?
>
> The only bug there is the hard crash. You are never allowed to unmount
> a device that has been exported.

Yeah, I guessed that much. I was actually expecting another "device
busy", which is OK. Crash, not OK :-)

Anyway, I have observed other strange stuff too, like not being able to
unmount /mnt/cdrom while it's being exported. Workaround: stop NFS,
unmount, start NFS. Not sure if this is normal or not...

--
Bojan